Home / 910,615.70-1,256,651.76-502,717.82

Finding the Fourth Proportional to 910,615.70, 1,256,651.76 and 502,717.82

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Solution

The fourth proportional to 910,615.70, 1,256,651.76 and 502,717.82 is: 693,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,615.70 : 1,256,651.76 = 502,717.82 : x
  2. Step 2: Convert to fraction form
    910,615.70/1,256,651.76 = 502,717.82/x
  3. Step 3: Cross multiply
    910,615.70x = 1,256,651.76 × 502,717.82
  4. Step 4: Simplify right side
    910,615.70x = 631,741,227,003.10
  5. Step 5: Solve for x
    x = 631,741,227,003.10/910,615.70
  6. Step 6: Final answer
    x = 693,751.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.